| 'use strict'; |
| const common = require('../common.js'); |
| const EventEmitter = require('events').EventEmitter; |
| |
| const bench = common.createBenchmark(main, { |
| n: [2e7], |
| argc: [0, 1, 4, 5] |
| }); |
| |
| function main({ n, argc }) { |
| const ee = new EventEmitter(); |
| |
| function listener() {} |
| |
| switch (argc) { |
| case 0: |
| bench.start(); |
| for (let i = 0; i < n; i += 1) { |
| const dummy = (i % 2 === 0) ? 'dummy0' : 'dummy1'; |
| ee.once(dummy, listener); |
| ee.emit(dummy); |
| } |
| bench.end(n); |
| break; |
| case 1: |
| bench.start(); |
| for (let i = 0; i < n; i += 1) { |
| const dummy = (i % 2 === 0) ? 'dummy0' : 'dummy1'; |
| ee.once(dummy, listener); |
| ee.emit(dummy, n); |
| } |
| bench.end(n); |
| break; |
| case 4: |
| bench.start(); |
| for (let i = 0; i < n; i += 1) { |
| const dummy = (i % 2 === 0) ? 'dummy0' : 'dummy1'; |
| ee.once(dummy, listener); |
| ee.emit(dummy, 'foo', argc, 'bar', false); |
| } |
| bench.end(n); |
| break; |
| case 5: |
| bench.start(); |
| for (let i = 0; i < n; i += 1) { |
| const dummy = (i % 2 === 0) ? 'dummy0' : 'dummy1'; |
| ee.once(dummy, listener); |
| ee.emit(dummy, true, 7.5, 'foo', null, n); |
| } |
| bench.end(n); |
| break; |
| default: |
| throw new Error('Unsupported argument count'); |
| } |
| } |